When connect the device to the PC via vga to hdmi,adopter, i get black screen even after i changed the resolution manually to the recommended, why

MAX2 SERIES Q&A-Max2
#1

When connect the device to the PC via vga to hdmi,adopter, i get black screen even after i changed the resolution manually to the recommended, why

#2

Dear Jim, Could you please advise the FW version of your device? Thank you.